EP 0667874 B1 19970115 - INSOLUBLE, SLIGHTLY-SWELLING POLYMERS WITH AMINO GROUPS, PROCESS FOR MAKING THEM AND THEIR USE
Title (en)
INSOLUBLE, SLIGHTLY-SWELLING POLYMERS WITH AMINO GROUPS, PROCESS FOR MAKING THEM AND THEIR USE
Title (de)
UNLÖSLICHE, NUR WENIG QUELLBARE POLYMERISATE MIT AMINOGRUPPEN, VERAFHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG
Title (fr)
POLYMERISATS INSOLUBLES A GROUPES AMINO, A FAIBLE CAPACITE DE GONFLEMENT, LEUR PROCEDE DE FABRICATION ET LEUR UTILISATION
Publication
Application
Priority
- DE 4237439 A 19921106
- EP 9303019 W 19931029
Abstract (en)
[origin: US5599898A] PCT No. PCT/EP93/03019 Sec. 371 Date Apr. 25, 1995 Sec. 102(e) Date Apr. 25, 1995 PCT Filed Oct. 29, 1993 PCT Pub. No. WO94/11408 PCT Pub. Date May 26, 1994Abstract of the Disclosure: Insoluble, only slightly swellable polymers containing amino groups, which can be obtained from popcorn polymers containing units of the structure <IMAGE> (I) where R and R1 are H or C1-C4-alkyl, by eliminating the group R-CO- from at least 2% of the incorporated units of the structure I, with the formation of units of the structure II <IMAGE> (II) a process for the preparation of the amino-containing popcorn polymers by polymerizing N-vinylcarboxamides and, if desired, other monoethylenically unsaturated monomers copolymerizable therewith with from 0.1 to 10% by weight, based on the monomers used in the polymerization, of a compound containing at least two ethylenically unsaturated non-conjugated double bonds as crosslinking agent, with exclusion of oxygen and polymerization initiators, to form popcorn polymers, and elimination of formyl groups from at least 2% of the copolymerized N-vinylcarboxamides, and the use of the resulting insoluble, only slightly swellable polymers containing amino groups as ion exchangers or adsorber resins for metal ions are described.
IPC 1-7
IPC 8 full level
C08F 8/00 (2006.01); B01D 15/04 (2006.01); B01J 20/26 (2006.01); B01J 39/20 (2006.01); C08F 226/02 (2006.01)
CPC (source: EP US)
B01J 20/26 (2013.01 - EP US); B01J 39/20 (2013.01 - EP US); C08F 226/02 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI NL SE
DOCDB simple family (publication)
US 5599898 A 19970204; AT E147764 T1 19970215; CA 2143939 A1 19940526; DE 4237439 A1 19940511; DE 59305178 D1 19970227; EP 0667874 A1 19950823; EP 0667874 B1 19970115; ES 2096437 T3 19970301; JP H08503015 A 19960402; WO 9411408 A1 19940526
DOCDB simple family (application)
US 32518795 A 19950425; AT 94900084 T 19931029; CA 2143939 A 19931029; DE 4237439 A 19921106; DE 59305178 T 19931029; EP 9303019 W 19931029; EP 94900084 A 19931029; ES 94900084 T 19931029; JP 51165694 A 19931029